規格資料
W x D x H : 18 cm x 26.5 cm x 30 cm
重量 : 7 kgs
tweeter 1" (UA025-10)與mid-bass 5" (5201W)
sensitivity: 86 dB @ 1 watt / 1m與nominal impedance: 8 ohms
frequency response (-3 dB): 53 Hz ~ 20 kHz
power handling: 50 watts與crossover frequencies: 2.1 kHz
S-520初看規格好像入門擴大機似乎不太好推,當時也在考慮土炮擴大機能否勝任